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/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
*
* (C) Copyright IBM Corp. 1999 All Rights Reserved.
* Copyright 1997 The Open Group Research Institute. All rights reserved.
*/
package sun.security.krb5.internal.ccache;
import java.io.IOException;
import java.io.OutputStream;
import sun.security.krb5.internal.util.KrbDataOutputStream;
import sun.security.krb5.*;
import sun.security.krb5.internal.*;
/**
* This class implements a buffered output stream. It provides functions to write FCC-format data to a disk file.
*
* @author Yanni Zhang
*
*/
public class CCacheOutputStream extends KrbDataOutputStream implements FileCCacheConstants {
public CCacheOutputStream(OutputStream os) {
super(os);
}
public void writeHeader(PrincipalName p, int version) throws IOException {
write((version & 0xff00) >> 8);
write(version & 0x00ff);
p.writePrincipal(this);
}
/**
* Writes a credentials in FCC format to this cache output stream.
*
* @param creds the credentials to be written to the output stream.
* @exception IOException if an I/O exception occurs.
* @exception Asn1Exception if an Asn1Exception occurs.
*/
/*For object data fields which themselves have multiple data fields, such as PrincipalName, EncryptionKey
HostAddresses, AuthorizationData, I created corresponding write methods (writePrincipal,
writeKey,...) in each class, since converting the object into FCC format data stream
should be encapsulated in object itself.
*/
public void addCreds(Credentials creds) throws IOException, Asn1Exception {
creds.cname.writePrincipal(this);
creds.sname.writePrincipal(this);
creds.key.writeKey(this);
write32((int)(creds.authtime.getTime()/1000));
if (creds.starttime != null)
write32((int)(creds.starttime.getTime()/1000));
else write32(0);
write32((int)(creds.endtime.getTime()/1000));
if (creds.renewTill != null)
write32((int)(creds.renewTill.getTime()/1000));
else write32(0);
if (creds.isEncInSKey) {
write8(1);
}
else write8(0);
writeFlags(creds.flags);
if (creds.caddr == null)
write32(0);
else
creds.caddr.writeAddrs(this);
if (creds.authorizationData == null) {
write32(0);
}
else
creds.authorizationData.writeAuth(this);
writeTicket(creds.ticket);
writeTicket(creds.secondTicket);
}
public void addConfigEntry(PrincipalName cname, CredentialsCache.ConfigEntry e)
throws IOException {
cname.writePrincipal(this);
e.getSName().writePrincipal(this);
write16(0); write16(0); write32(0);
write32(0); write32(0); write32(0); write32(0);
write8(0);
write32(0);
write32(0);
write32(0);
write32(e.getData().length);
write(e.getData());
write32(0);
}
void writeTicket(Ticket t) throws IOException, Asn1Exception {
if (t == null) {
write32(0);
}
else {
byte[] bytes = t.asn1Encode();
write32(bytes.length);
write(bytes, 0, bytes.length);
}
}
void writeFlags(TicketFlags flags) throws IOException {
int tFlags = 0;
boolean[] f = flags.toBooleanArray();
if (f[1] == true) {
tFlags |= TKT_FLG_FORWARDABLE;
}
if (f[2] == true) {
tFlags |= TKT_FLG_FORWARDED;
}
if (f[3] == true) {
tFlags |= TKT_FLG_PROXIABLE;
}
if (f[4] == true) {
tFlags |= TKT_FLG_PROXY;
}
if (f[5] == true) {
tFlags |= TKT_FLG_MAY_POSTDATE;
}
if (f[6] == true) {
tFlags |= TKT_FLG_POSTDATED;
}
if (f[7] == true) {
tFlags |= TKT_FLG_INVALID;
}
if (f[8] == true) {
tFlags |= TKT_FLG_RENEWABLE;
}
if (f[9] == true) {
tFlags |= TKT_FLG_INITIAL;
}
if (f[10] == true) {
tFlags |= TKT_FLG_PRE_AUTH;
}
if (f[11] == true) {
tFlags |= TKT_FLG_HW_AUTH;
}
write32(tFlags);
}
}
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